Source Code for Module pulp.server.auth.auth

 1  #!/usr/bin/env python 
 2  # -*- coding: utf-8 -*- 
 3  # 
 4  # Copyright © 2010 Red Hat, Inc. 
 5  # 
 6  # This software is licensed to you under the GNU General Public License, 
 7  # version 2 (GPLv2). There is NO WARRANTY for this software, express or 
 8  # implied, including the implied warranties of MERCHANTABILITY or FITNESS 
 9  # FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2 
10  # along with this software; if not, see 
11  # http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt. 
12  # 
13  # Red Hat trademarks are not licensed under GPLv2. No permission is 
14  # granted to use or replicate Red Hat trademarks that are incorporated 
15  # in this software or its documentation. 
16   
17  import threading 
18   
19  from pulp.server.util import Singleton 
20   
21  # default system principal ---------------------------------------------------- 
22   
23 -class SystemPrincipal(object): 
24      """ 
25      Class representing the default "system" principal. 
26      """ 
27      __metaclass__ = Singleton 
28       
29 -    def __unicode__(self): 
30          return u'SYSTEM' 
31       
32  # thread-local storage for holding the current principal ---------------------- 
33   
34  _storage = threading.local() 
35   
36  # principal api --------------------------------------------------------------- 
37   
38 -def set_principal(principal): 
39      """ 
40      Set the current principal (user) of the system. 
41      @param principal: current system user 
42      """ 
43      _storage.principal = principal 
44   
45   
46 -def get_principal(): 
47      """ 
48      Get the current principal (user) of the system. 
49   
50      @return: current principal 
51      @rtype: pulp.server.db.model.User instance if one was specified in set_principal; 
52              pulp.server.auth.auth.SystemPrincipal otherwise 
53      """ 
54      if not hasattr(_storage, 'principal'): 
55          _storage.principal = SystemPrincipal() 
56      return _storage.principal 
57   
58   
59 -def clear_principal(): 
60      """ 
61      Clear the current principal (user) of the system. 
62      This resets the principal to a "system" default. 
63      """ 
64      _storage.principal = SystemPrincipal() 
65